Answer

In Jain practice, Rāiśī / Rātri Pratikraman is generally done in the morning after sunrise.

It is performed to reflect on and repent for faults committed during the night.

Explanation

The usual understanding is:

• Rāiśī Pratikraman — done in the morning, after night has ended.
• Devasi Pratikraman — done in the evening, after the day has ended.

Exact timing may vary slightly by local tradition, gaccha, sangh practice, and guidance of one’s guru or upādhyāy.

Takeaway

Rāiśī Pratikraman is a morning practice, generally after sunrise, for purification of mistakes made during the night.